Home / 984,246.30-1,476,187.20-274,127.40

Finding the Fourth Proportional to 984,246.30, 1,476,187.20 and 274,127.40

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Solution

The fourth proportional to 984,246.30, 1,476,187.20 and 274,127.40 is: 411,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,246.30 : 1,476,187.20 = 274,127.40 : x
  2. Step 2: Convert to fraction form
    984,246.30/1,476,187.20 = 274,127.40/x
  3. Step 3: Cross multiply
    984,246.30x = 1,476,187.20 × 274,127.40
  4. Step 4: Simplify right side
    984,246.30x = 404,663,359,049.28
  5. Step 5: Solve for x
    x = 404,663,359,049.28/984,246.30
  6. Step 6: Final answer
    x = 411,140.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.